Home / 3,580,672.76-4,941,439.80-1,949,188.76

Finding the Fourth Proportional to 3,580,672.76, 4,941,439.80 and 1,949,188.76

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Solution

The fourth proportional to 3,580,672.76, 4,941,439.80 and 1,949,188.76 is: 2,689,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,672.76 : 4,941,439.80 = 1,949,188.76 : x
  2. Step 2: Convert to fraction form
    3,580,672.76/4,941,439.80 = 1,949,188.76/x
  3. Step 3: Cross multiply
    3,580,672.76x = 4,941,439.80 × 1,949,188.76
  4. Step 4: Simplify right side
    3,580,672.76x = 9,631,798,916,376.65
  5. Step 5: Solve for x
    x = 9,631,798,916,376.65/3,580,672.76
  6. Step 6: Final answer
    x = 2,689,941.13

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Double scale
Find fourth proportional to 3,580,673.76, 4,941,441.18 and 1,949,189.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.